What the hell is that joel?
I've learned that I shouldn't do things to my computer if I don't know what I'm doing....so before I do whatever it is that does you'll have to learn me what it be.
All web addresses just point you to somewhere that translates those words into numbers that get you to your websites. This is an alternate place to get those numbers from. I have used it for two years with no problems whatsoever.
OpenDNS has servers situated strategically at the most well-connected intersections of the Internet. Unlike your ISP, our network uses Anycast routing technology, which means no matter where you are in the world your DNS requests are answered by our closest datacenter. Anycast routing also means that you are automatically routed to our next closest datacenter in the event of maintenance or downtime. This makes your Internet faster and more reliable.
It won't screw anything up and it might let you into your oh so beloved photobucket. you could also try a different browser.